Fix failure rate accouting for skips

summary_page.py

@@ -117,9 +117,11 @@ def create_summary_page(df: pd.DataFrame, available_models: list[str]) -> plt.Fi
     # Calculate overall failure rates
     amd_counts, nvidia_counts = get_overall_stats(df, available_models)
 
-    amd_failure_rate = (amd_counts[1] / sum(amd_counts)) if sum(amd_counts) > 0 else 0.0
+    amd_non_skipped = amd_counts[0] + amd_counts[1]
+    amd_failure_rate = (amd_counts[1] / amd_non_skipped) if amd_non_skipped > 0 else 0.0
     amd_failure_rate *= 100
-    nvidia_failure_rate = (nvidia_counts[1] / sum(nvidia_counts)) if sum(nvidia_counts) > 0 else 0.0
+    nvidia_non_skipped = nvidia_counts[0] + nvidia_counts[1]
+    nvidia_failure_rate = (nvidia_counts[1] / nvidia_non_skipped) if nvidia_non_skipped > 0 else 0.0
     nvidia_failure_rate *= 100
 
     # Calculate dimensions for N-column layout